document.write( "Question 360943: a manufacturer of exercise equipment uses a a markup rate of 45%. one of the manufacturer's treadmills has a selling price of $580. find the cost of the treadmill \n" ); document.write( "
Algebra.Com's Answer #257507 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi,
\n" ); document.write( "let x represent the wholesale cost of the treadmill
\n" ); document.write( "x + .45x = $580
\n" ); document.write( "1.45x = $580
\n" ); document.write( "x = $400 is the wholesale cost of the treadmill \n" ); document.write( "
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